After a collimation of the C11 telescope i could now better spectra of 28Tau and later of zeta Tauri. used spectrograph: L200 with 1800 l/mm grating and Trius SX814 CCD camera in 2×2 binning on … Read more
I removed the AG16 telescope for maintenance and search for the cause of the collimation issue – the telescope was more then 3 year i use without any clenaing of the mirrors. Also the collimation … Read more
I noticed the last observations that the tracking isn’t smooth anymore in RA of the ASA DDM85 mount. I checked the balance again and noticed if the telescope is on the other side of the … Read more